/Engine/Source/Editor/UnrealEd/Public/Toolkits/GlobalEditorCommonCommands.h
static [TSharedPtr](API\Runtime\Core\Templates\TSharedPtr)< [IMenu](API\Runtime\Slate\Framework\Application\IMenu) > OpenPopupMenu ( [TSharedRef](API\Runtime\Core\Templates\TSharedRef)< [SWidget](API\Runtime\SlateCore\Widgets\SWidget) > WindowContents, const FVector2D & PopupDesiredSize )